1 // Created on: 1992-08-25
2 // Created by: Modelistation
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <BRep_CurveOn2Surfaces.hxx>
19 #include <BRep_CurveRepresentation.hxx>
20 #include <BRep_GCurve.hxx>
21 #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
22 #include <BRep_ListOfCurveRepresentation.hxx>
23 #include <BRep_TEdge.hxx>
24 #include <Standard_Type.hxx>
26 #include <TopoDS_TShape.hxx>
28 static const Standard_Integer ParameterMask = 1;
29 static const Standard_Integer RangeMask = 2;
30 static const Standard_Integer DegeneratedMask = 4;
32 //=======================================================================
33 //function : BRep_TEdge
35 //=======================================================================
37 BRep_TEdge::BRep_TEdge() :
39 myTolerance(RealEpsilon()),
42 SameParameter(Standard_True);
43 SameRange(Standard_True);
46 //=======================================================================
47 //function : SameParameter
49 //=======================================================================
51 Standard_Boolean BRep_TEdge::SameParameter()const
53 return myFlags & ParameterMask;
57 //=======================================================================
58 //function : SameParameter
60 //=======================================================================
62 void BRep_TEdge::SameParameter(const Standard_Boolean S)
64 if (S) myFlags |= ParameterMask;
65 else myFlags &= ~ParameterMask;
69 //=======================================================================
70 //function : SameRange
72 //=======================================================================
74 Standard_Boolean BRep_TEdge::SameRange()const
76 return myFlags & RangeMask;
80 //=======================================================================
81 //function : SameRange
83 //=======================================================================
85 void BRep_TEdge::SameRange(const Standard_Boolean S)
87 if (S) myFlags |= RangeMask;
88 else myFlags &= ~RangeMask;
92 //=======================================================================
93 //function : Degenerated
95 //=======================================================================
97 Standard_Boolean BRep_TEdge::Degenerated()const
99 return myFlags & DegeneratedMask;
103 //=======================================================================
104 //function : Degenerated
106 //=======================================================================
108 void BRep_TEdge::Degenerated(const Standard_Boolean S)
110 if (S) myFlags |= DegeneratedMask;
111 else myFlags &= ~DegeneratedMask;
114 //=======================================================================
115 //function : EmptyCopy
117 //=======================================================================
119 Handle(TopoDS_TShape) BRep_TEdge::EmptyCopy() const
121 Handle(BRep_TEdge) TE =
123 TE->Tolerance(myTolerance);
124 // copy the curves representations
125 BRep_ListOfCurveRepresentation& l = TE->ChangeCurves();
126 BRep_ListIteratorOfListOfCurveRepresentation itr(myCurves);
129 // on ne recopie PAS les polygones
130 if ( itr.Value()->IsKind(STANDARD_TYPE(BRep_GCurve)) ||
131 itr.Value()->IsKind(STANDARD_TYPE(BRep_CurveOn2Surfaces)) ) {
132 l.Append(itr.Value()->Copy());
137 TE->Degenerated(Degenerated());
138 TE->SameParameter(SameParameter());
139 TE->SameRange(SameRange());